html,
body,
div,
a,
i,
p,
h1,
h2,
h3,
h4,
h5,
h6,
ul,
li,
dl,
dt,
dd,
strong,
em,
span {
    margin: 0;
    padding: 0;

    box-sizing: border-box;
    font-size: 13px;
}

textarea {
    width: 100% !important;
    height: 100% !important;
    resize: none !important;
}

img {
    border: none;
    vertical-align: bottom;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 400;
}

a {
    text-decoration: none;
}

i,
em {
    font-style: normal;
}

body {
    font-size: 14px;
    color: #1e2330;
}

li {
    list-style: none;
}

.clearfix:after {
    display: block;
    clear: both;
    content: "";
    visibility: hidden;
    height: 0;
}

.clearfix {
    zoom: 1;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.flex {
    display: flex
}

.flex1 {
    flex: 1
}

.flex-end {
    justify-content: flex-end
}

.flex-col {
    flex-direction: column
}

.flex-x-center {
    justify-content: center
}

.flex-y-center {
    align-items: center
}

.flex-between {
    justify-content: space-between
}

.flex-wrap {
    flex-wrap: wrap
}

.flex-nowrap {
    flex-wrap: nowrap
}

.pointer {
    cursor: pointer
}

.tr {
    text-align: right
}

.tc {
    text-align: center;
}

.tl {
    text-align: left;
}

.dn {
    display: none
}

.db {
    display: block
}

.overflow {
    overflow: hidden
}